Solvent type digital ink-jet printing dye sublimation ink and preparation method thereof

A digital inkjet and solvent-based technology, applied in the fields of ink, dyeing, textiles and papermaking, etc., to achieve the effect of improving surface tension, excellent storage stability, good spit out fluency and nozzle moisturizing performance

Active Publication Date: 2013-06-12
上海英威喷墨科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In this type of system, inks using disperse dyes as colorants have not been reported

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] Preparation of blue ink:

[0022] Weigh 2.4kg solvent-based resin 1652, 10kg DMF, 10kg diethylene glycol butyl ether, 6kg dipropylene glycol methyl ether, 2.4kg 2-pyrrolidone, and 6kg ethylene glycol butyl ether acetate. After mixing well at room temperature, add 1.2kgC .I. Disperse Blue 14, using a high-shear emulsifier to dissolve at 800 rpm for 3 hours, and then filter with a filter with a pore size of 1 μm to obtain a blue sublimation liquid ink. The ink has a viscosity of 8.1cP at a temperature of 25°C and a surface tension of 30.1mN / m.

Embodiment 2

[0024] Preparation of red ink:

[0025] Weigh 0.6kg polyester resin ES-100, 15kg DMSO, 6kg dipropylene glycol butyl ether, 5.4kg 2-pyrrolidone, and 9kg ethylene glycol butyl ether acetate. After mixing uniformly at room temperature, add 2.0kg C.I. Disperse Red 11 , Use a high-shear emulsifier to dissolve at 800 rpm for 3 hours, and then filter with a filter with a pore size of 1 μm to obtain a red sublimation liquid ink. The ink has a viscosity of 4.1cP at a temperature of 25°C and a surface tension of 30.1mN / m.

Embodiment 3

[0027] Preparation of yellow ink:

[0028] Weigh 2.4kg polyester resin ES-VB-220A, 10kg DMF, 10kg DMSO, 6kg diethylene glycol butyl ether acetate, 2.4kg 2-pyrrolidone, 6kg ethylene glycol butyl ether acetate, and mix them evenly at room temperature. Add 1.2kg of C.I. Disperse Yellow 64, use a high-shear emulsifier to dissolve at 800 rpm for 3 hours, and then filter with a filter with a pore size of 1 μm to obtain a yellow sublimation liquid ink. This ink has a viscosity of 7.9cP at a temperature of 25°C and a surface tension of 31.5mN / m.

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Abstract

The invention provides a solvent type digital ink-jet printing dye sublimation ink and a preparation method thereof. The ink comprises the following components in percentage by mass: 1 to 10 percent of disperse dye, 0.5 to 7 percent of resin and 20 to 95 percent of organic solvent. The preparation method comprises the following steps of: uniformly mixing 0.5 to 7 percent of resin and 20 to 95 percent of organic solvent at a normal temperature; adding 1 to 10 percent of disperse dye into the mixture; dissolving the disperse dye with a high-shear emulsifying machine at a rate of between 400 and1,000 rpm for 0.5 to 5h; and filtering the mixture with a filter of which the aperture is 0.2 to 2 mu m to obtain the solvent type digital ink-jet printing thermal-sublimation ink. The ink is not influenced by the temperature change of a printing environment, and has the advantages of good injection stability and storage stability, simple preparation process and low energy consumption.

Description

Technical field [0001] The invention belongs to the field of ink and its preparation, and particularly relates to a solvent-based digital inkjet printing sublimation ink and a preparation method thereof. Background technique [0002] Inkjet printing technology plays a pivotal role in the field of textile printing. The inks that can be used for textile inkjet printing can be divided into two categories: dye-based inks and pigment-based inks according to different colorants. Although pigment-based inks have good light fastness, because of insufficient adhesion of pigment-based inks to fabrics in textile inkjet printing, currently textile inkjet printing usually uses dyes as colorants. Dye inks can be divided into reactive dye inks, acid dye inks and disperse dye inks. Reactive dye inks and acid dye inks are mainly used for cotton fabrics, silk fabrics and nylon fabrics, while disperse dye inks are mainly used for polyester fiber fabrics or polyester-containing blended fabrics. Du...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D11/02D06P5/30C09D11/30C09D11/36
Inventor 李文彬王夏琴宋雪霞
Owner 上海英威喷墨科技有限公司
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